Document Detail


High-frequency jet versus conventional ventilation in infants undergoing Blalock-Taussig shunts.
MedLine Citation:
PMID:  8166529     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Nine infants undergoing modified Blalock-Taussig shunts were randomized to both high-frequency jet ventilation (HFJV) and conventional ventilation (CV). Vital signs, blood gases, mean airway pressure, lung mechanics, functional residual capacity, and lung movement were compared on both modes of ventilation keeping peak inspiratory and expiratory pressures constant. The mean airway pressure was lower on HFJV than on CV (8.5 versus 10.9 cm H2O). Arterial partial pressure of oxygen was greater on HFJV than on CV (55 versus 46 mm Hg), arterial partial pressure of carbon dioxide was lower on HFJV than on CV (28 versus 37 mm Hg), whereas compliance (0.54 versus 0.56 mL.cm H2O-1.kg-1). resistance (110 versus 95 cm H2O/L.s), and functional residual capacity (23 versus 22.5 mL/kg) remained the same. Lung movement and degree of retraction necessary for surgical exposure as evaluated by an independent observer was less with HFJV compared with CV. Compared with CV during the creation of Blalock-Taussig shunts, HFJV provides better gas exchange at lower mean airway pressure with similar lung function, lung volume, and hemodynamics.
Authors:
D A Davis; P A Russo; J S Greenspan; G Speziali; A Spitzer
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Publication Detail:
Type:  Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial    
Journal Detail:
Title:  The Annals of thoracic surgery     Volume:  57     ISSN:  0003-4975     ISO Abbreviation:  Ann. Thorac. Surg.     Publication Date:  1994 Apr 
Date Detail:
Created Date:  1994-05-24     Completed Date:  1994-05-24     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  15030100R     Medline TA:  Ann Thorac Surg     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  846-9     Citation Subset:  AIM; IM    
Affiliation:
Department of Anesthesia and Critical Care, St. Christopher's Hospital for Children, Temple University School of Medicine, Philadelphia, Pennsylvania.
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MeSH Terms
Descriptor/Qualifier:
Airway Resistance
Anastomosis, Surgical
Blood Gas Analysis
Functional Residual Capacity
Heart Defects, Congenital / blood,  physiopathology,  surgery*
High-Frequency Jet Ventilation / methods*
Humans
Infant
Infant, Newborn
Intraoperative Care*
Lung Compliance
Positive-Pressure Respiration / methods*
Pulmonary Artery / surgery*
Pulmonary Gas Exchange
Subclavian Artery / surgery*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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